Related Clues:

• Rope ingredient, perhaps
• Basketry fiber
• Strong, woody fiber
• Agave product
• Carpet-maker's fiber
• Mat material
• Narcotic drug
• Sackcloth material, perhaps
• Fiber used for fishing nets
• Coconut husk fiber
• Source of hashish
• Plant fiber
• Doormat fiber
• Mexican agave
• Rope fiber (anagram of SAILS)